139627970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{15497}}^1$

素因数の和:15574

約数の個数: 32

約数和(自身を含む): 271153008

約数和(自身を除く): 131525038

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 4505, 9010, 15497, 30994, 77485, 154970, 263449, 526898, 821341, 1317245, 1642682, 2634490, 4106705, 8213410, 13962797, 27925594, 69813985, 139627970]

約数ペア:

[(1, 139627970), (2, 69813985), (5, 27925594), (10, 13962797), (17, 8213410), (34, 4106705), (53, 2634490), (85, 1642682), (106, 1317245), (170, 821341), (265, 526898), (530, 263449), (901, 154970), (1802, 77485), (4505, 30994), (9010, 15497)]